/*
 * Copyright (c) 2022 HiSilicon (Shanghai) Technologies CO., LIMITED.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Description: dfx simplebuf
 * This file should be changed only infrequently and with great care.
 */

#ifndef __DFX_SIMPLE_BUF_H__
#define __DFX_SIMPLE_BUF_H__
#include "td_type.h"
#include "td_base.h"

typedef struct {
    td_u8 *data;
    td_u32 total_size;
    td_u32 w_pos;
    td_u32 r_pos;
} dfx_simple_buf_handle;

td_void dfx_simple_buf_init(dfx_simple_buf_handle *handle, td_u8 *data, td_u32 size);
td_u32 dfx_simple_buf_get_free_size(dfx_simple_buf_handle *handle);
td_s32 dfx_simple_buf_write(dfx_simple_buf_handle *handle, td_u8 *data, td_u32 len);
td_s32 dfx_simple_buf_read(dfx_simple_buf_handle *handle, td_u8 *data, td_u32 len);

#endif